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Commit 09247179 authored by Todd Volkert's avatar Todd Volkert Committed by Android (Google) Code Review
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Merge "Increase visibility of Transition.areValuesChanged() to protected to... 

Merge "Increase visibility of Transition.areValuesChanged() to protected to allow subclasses outside the android.transition package to override it."
parents 2ed8acbb d23391ea

core/java/android/transition/Transition.java

+11 −1
Original line number Diff line number Diff line
@@ -1762,7 +1762,17 @@ public abstract class Transition implements Cloneable { 
        runAnimators();

    }



    boolean areValuesChanged(TransitionValues oldValues, TransitionValues newValues) {

    /**

     * Returns whether transition values have changed between the start scene and the end scene

     * (thus determining whether animation is required). The default implementation compares the

     * property values returned from {@link #getTransitionProperties()}, or all property values if

     * {@code getTransitionProperties()} returns null. Subclasses may override this method to

     * provide logic more specific to their transition implementation.

     *

     * @param oldValues the first set of values, may be {@code null}

     * @param newValues the second set of values, may be {@code null}

     */

    protected boolean areValuesChanged(TransitionValues oldValues, TransitionValues newValues) {

        boolean valuesChanged = false;

        // if oldValues null, then transition didn't care to stash values,

        // and won't get canceled

core/java/android/transition/Visibility.java

+2 −2
Original line number Diff line number Diff line
@@ -182,7 +182,7 @@ public abstract class Visibility extends Transition { 
        return visibility == View.VISIBLE && parent != null;

    }



    private VisibilityInfo getVisibilityChangeInfo(TransitionValues startValues,

    private static VisibilityInfo getVisibilityChangeInfo(TransitionValues startValues,

            TransitionValues endValues) {

        final VisibilityInfo visInfo = new VisibilityInfo();

        visInfo.visibilityChange = false;
@@ -484,7 +484,7 @@ public abstract class Visibility extends Transition { 
    }



    @Override

    boolean areValuesChanged(TransitionValues oldValues, TransitionValues newValues) {

    protected boolean areValuesChanged(TransitionValues oldValues, TransitionValues newValues) {

        if (oldValues == null && newValues == null) {

            return false;

        }